APA

(1950). Yale studies in economics. New Haven, Conn: Yale Univ. Pr.

Chicago

1950. Yale studies in economics. New Haven, Conn: Yale Univ. Pr.

Harvard

(1950). Yale studies in economics. New Haven, Conn: Yale Univ. Pr.

MLA

Yale studies in economics. New Haven, Conn: Yale Univ. Pr. 1950.